The patch below does not apply to the 5.9-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 0689dcf3e4d6b89cc2087139561dc12b60461dca Mon Sep 17 00:00:00 2001

From: Alex Deucher alexander.deucher@amd.com Date: Mon, 26 Oct 2020 10:25:36 -0400 Subject: [PATCH] drm/amdgpu/display: use kvzalloc again in dc_create_state

It looks this was accidently lost in a follow up patch. dc context is large and we don't need contiguous pages.

Fixes: e4863f118a7d ("drm/amd/display: Multi display cause system lag on mode change") Reviewed-by: Nicholas Kazlauskas nicholas.kazlauskas@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Cc: Aric Cyr aric.cyr@amd.com Cc: Alex Xu alex_y_xu@yahoo.ca Reported-by: Alex Xu (Hello71) alex_y_xu@yahoo.ca Tested-by: Alex Xu (Hello71) alex_y_xu@yahoo.ca Cc: stable@vger.kernel.org

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 1eb29c362122..45ad05f6e03b 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1571,8 +1571,8 @@ static void init_state(struct dc *dc, struct dc_state *context)

struct dc_state *dc_create_state(struct dc *dc) { - struct dc_state *context = kzalloc(sizeof(struct dc_state), - GFP_KERNEL); + struct dc_state *context = kvzalloc(sizeof(struct dc_state), + GFP_KERNEL);

if (!context) return NULL;